alien_color=['green','yellow','red']
alien_color='green'
if alien_color=='green':
    print("你将会获得5个点")
if alien_color!='green':
    print("你将会获得10个点")
alien_color=['green','yellow','red']
alien_color='green'
if alien_color=='green':
    print("你将会获得5个点")
else:
    print("你将会获得10个点")
alien_color=['green','yellow','red']
alien_color='green'
if alien_color=='green':
    print("你将会获得5个点")
elif alien_color=='yellow':
    print("你将会获得10个点")
else :
    print("你将会获得15个点")
age = 18
if age < 2:
    print("婴儿")
elif age < 4:
    print("正蹒跚学步")
elif age < 13:
    print("儿童")
elif age < 20:
    print("青少年")
elif age < 65:
    print("成年人")
else:
    print("老年人")
favorite_fruits=['apple','peach','banana']
delicious_fruit='apple'
if delicious_fruit in favorite_fruits:
    print("You really like bananas!")
if delicious_fruit not in favorite_fruits:
    print("FLASE")
    delicious_fruit = 'banana'
if delicious_fruit in favorite_fruits:
    print("You really like bananas!")
if delicious_fruit not in favorite_fruits:
    print("FLASE")
delicious_fruit = 'peach'
if delicious_fruit not in favorite_fruits:
    print("FLASE")